The present situation of South Hebei Power Network is presented in brief. The necessity and urgency of establishing a technical supporting system for electricity market are expounded.
简要介绍了河北南部电网状况，论述了建立电力市场技术支持系统的必要性和迫切性。
This article disclosed the present situation and future trend of domestic polyurethane laminating adhesive market. The technical progress of the adhesive at home and abroad was also introduced.
简要介绍了国内复合薄膜用聚氨酯胶粘剂的市场状况及未来市场预测，同时对其技术进展情况也进行了介绍，并与国外的现状进行了对比。
Present situation, production process, material features, technical effect and economical benefits of coppe-steel back composite for mechanical use were presented in the paper.
介绍了机械用铜-钢背复合材料的现状，制备工艺，材料特点，以及技术经济效果。
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